qosservice/impl/src/main/java/org/opendaylight/netvirt/qosservice/QosNeutronUtils.java

   1 /*
   2  * Copyright (c) 2017 Intel Corporation and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.netvirt.qosservice;
   9
  10 import static java.util.Collections.emptyList;
  11 import static org.opendaylight.genius.infra.Datastore.CONFIGURATION;
  12
  13 import com.google.common.base.Optional;
  14 import java.math.BigInteger;
  15 import java.util.ArrayList;
  16 import java.util.Collection;
  17 import java.util.Collections;
  18 import java.util.List;
  19 import java.util.Map;
  20 import java.util.concurrent.ConcurrentHashMap;
  21 import java.util.concurrent.ConcurrentMap;
  22 import java.util.concurrent.CopyOnWriteArraySet;
  23 import java.util.concurrent.ExecutionException;
  24 import java.util.concurrent.Future;
  25 import javax.inject.Inject;
  26 import javax.inject.Singleton;
  27 import org.eclipse.jdt.annotation.NonNull;
  28 import org.eclipse.jdt.annotation.Nullable;
  29 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  30 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  31 import org.opendaylight.genius.infra.Datastore;
  32 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
  33 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
  34 import org.opendaylight.genius.infra.TypedWriteTransaction;
  35 import org.opendaylight.genius.mdsalutil.ActionInfo;
  36 import org.opendaylight.genius.mdsalutil.FlowEntity;
  37 import org.opendaylight.genius.mdsalutil.InstructionInfo;
  38 import org.opendaylight.genius.mdsalutil.MDSALUtil;
  39 import org.opendaylight.genius.mdsalutil.MatchInfo;
  40 import org.opendaylight.genius.mdsalutil.MetaDataUtil;
  41 import org.opendaylight.genius.mdsalutil.NwConstants;
  42 import org.opendaylight.genius.mdsalutil.actions.ActionNxResubmit;
  43 import org.opendaylight.genius.mdsalutil.actions.ActionSetFieldDscp;
  44 import org.opendaylight.genius.mdsalutil.instructions.InstructionApplyActions;
  45 import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
  46 import org.opendaylight.genius.mdsalutil.matches.MatchEthernetType;
  47 import org.opendaylight.genius.mdsalutil.matches.MatchMetadata;
  48 import org.opendaylight.genius.utils.ServiceIndex;
  49 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
  50 import org.opendaylight.netvirt.neutronvpn.interfaces.INeutronVpnManager;
  51 import org.opendaylight.ovsdb.utils.southbound.utils.SouthboundUtils;
  52 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
  53 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
  54 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowId;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406.BridgeInterfaceInfo;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406.BridgeRefInfo;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406.bridge._interface.info.BridgeEntry;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406.bridge._interface.info.BridgeEntryKey;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406.bridge.ref.info.BridgeRefEntry;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406.bridge.ref.info.BridgeRefEntryKey;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.GetDpidFromInterfaceInput;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.GetDpidFromInterfaceInputBuilder;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.GetDpidFromInterfaceOutput;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.OdlInterfaceRpcService;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.ServiceBindings;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.ServiceModeIngress;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.ServiceTypeFlowBased;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.StypeOpenflow;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.StypeOpenflowBuilder;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.service.bindings.ServicesInfo;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.service.bindings.ServicesInfoKey;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.service.bindings.services.info.BoundServices;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.service.bindings.services.info.BoundServicesBuilder;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.service.bindings.services.info.BoundServicesKey;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.NetworkMaps;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.Subnetmaps;
  80 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.networkmaps.NetworkMap;
  81 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.networkmaps.NetworkMapKey;
  82 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.subnetmaps.Subnetmap;
  83 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.subnetmaps.SubnetmapKey;
  84 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.networks.attributes.networks.Network;
  85 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.port.attributes.FixedIps;
  86 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.ports.Port;
  87 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.qos.ext.rev160613.QosNetworkExtension;
  88 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.qos.ext.rev160613.QosPortExtension;
  89 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.qos.rev160613.qos.attributes.qos.policies.QosPolicy;
  90 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.qos.rev160613.qos.attributes.qos.policies.qos.policy.BandwidthLimitRules;
  91 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.qos.rev160613.qos.attributes.qos.policies.qos.policy.BandwidthLimitRulesBuilder;
  92 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.qos.rev160613.qos.attributes.qos.policies.qos.policy.DscpmarkingRules;
  93 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeRef;
  94 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
  95 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentationBuilder;
  96 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  97 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  98 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  99 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
 100 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
 101 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointBuilder;
 102 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
 103 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 104 import org.opendaylight.yangtools.yang.common.RpcResult;
 105 import org.slf4j.Logger;
 106 import org.slf4j.LoggerFactory;
 107
 108 @Singleton
 109 public class QosNeutronUtils {
 110     private static final Logger LOG = LoggerFactory.getLogger(QosNeutronUtils.class);
 111
 112     private final ConcurrentMap<Uuid, QosPolicy> qosPolicyMap = new ConcurrentHashMap<>();
 113     private final ConcurrentMap<Uuid, ConcurrentMap<Uuid, Port>> qosPortsMap = new ConcurrentHashMap<>();
 114     private final ConcurrentMap<Uuid, ConcurrentMap<Uuid, Network>> qosNetworksMap = new ConcurrentHashMap<>();
 115     private final CopyOnWriteArraySet<Uuid> qosServiceConfiguredPorts = new CopyOnWriteArraySet<>();
 116     private final ConcurrentHashMap<Uuid, Port> neutronPortMap = new ConcurrentHashMap<>();
 117     private final ConcurrentHashMap<Uuid, Network> neutronNetworkMap = new ConcurrentHashMap<>();
 118
 119     private final QosEosHandler qosEosHandler;
 120     private final INeutronVpnManager neutronVpnManager;
 121     private final OdlInterfaceRpcService odlInterfaceRpcService;
 122     private final DataBroker dataBroker;
 123     private final ManagedNewTransactionRunner txRunner;
 124     private final IMdsalApiManager mdsalUtils;
 125     private final JobCoordinator jobCoordinator;
 126
 127     @Inject
 128     public QosNeutronUtils(final QosEosHandler qosEosHandler, final INeutronVpnManager neutronVpnManager,
 129             final OdlInterfaceRpcService odlInterfaceRpcService, final DataBroker dataBroker,
 130             final IMdsalApiManager mdsalUtils, final JobCoordinator jobCoordinator) {
 131         this.qosEosHandler = qosEosHandler;
 132         this.neutronVpnManager = neutronVpnManager;
 133         this.odlInterfaceRpcService = odlInterfaceRpcService;
 134         this.dataBroker = dataBroker;
 135         this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
 136         this.mdsalUtils = mdsalUtils;
 137         this.jobCoordinator = jobCoordinator;
 138     }
 139
 140     public void addToQosPolicyCache(QosPolicy qosPolicy) {
 141         qosPolicyMap.put(qosPolicy.getUuid(),qosPolicy);
 142     }
 143
 144     public void removeFromQosPolicyCache(QosPolicy qosPolicy) {
 145         qosPolicyMap.remove(qosPolicy.getUuid());
 146     }
 147
 148     public Map<Uuid, QosPolicy> getQosPolicyMap() {
 149         return qosPolicyMap;
 150     }
 151
 152     public Collection<Port> getQosPorts(Uuid qosUuid) {
 153         final ConcurrentMap<Uuid, Port> portMap = qosPortsMap.get(qosUuid);
 154         return portMap != null ? portMap.values() : emptyList();
 155     }
 156
 157     public void addToQosPortsCache(Uuid qosUuid, Port port) {
 158         qosPortsMap.computeIfAbsent(qosUuid, key -> new ConcurrentHashMap<>()).putIfAbsent(port.getUuid(), port);
 159     }
 160
 161     public void removeFromQosPortsCache(Uuid qosUuid, Port port) {
 162         if (qosPortsMap.containsKey(qosUuid) && qosPortsMap.get(qosUuid).containsKey(port.getUuid())) {
 163             qosPortsMap.get(qosUuid).remove(port.getUuid(), port);
 164         }
 165     }
 166
 167     public void addToQosNetworksCache(Uuid qosUuid, Network network) {
 168         qosNetworksMap.computeIfAbsent(qosUuid, key -> new ConcurrentHashMap<>()).putIfAbsent(network.getUuid(),
 169                 network);
 170     }
 171
 172     public void removeFromQosNetworksCache(Uuid qosUuid, Network network) {
 173         if (qosNetworksMap.containsKey(qosUuid) && qosNetworksMap.get(qosUuid).containsKey(network.getUuid())) {
 174             qosNetworksMap.get(qosUuid).remove(network.getUuid(), network);
 175         }
 176     }
 177
 178     @NonNull
 179     public Collection<Network> getQosNetworks(Uuid qosUuid) {
 180         final ConcurrentMap<Uuid, Network> networkMap = qosNetworksMap.get(qosUuid);
 181         return networkMap != null ? networkMap.values() : emptyList();
 182     }
 183
 184     @NonNull
 185     public List<Uuid> getSubnetIdsFromNetworkId(Uuid networkId) {
 186         InstanceIdentifier<NetworkMap> networkMapId = InstanceIdentifier.builder(NetworkMaps.class)
 187                 .child(NetworkMap.class, new NetworkMapKey(networkId)).build();
 188         Optional<NetworkMap> optionalNetworkMap = MDSALUtil.read(LogicalDatastoreType.CONFIGURATION,
 189                 networkMapId, dataBroker);
 190         return (optionalNetworkMap.isPresent() && optionalNetworkMap.get().getSubnetIdList() != null)
 191             ? optionalNetworkMap.get().getSubnetIdList() : emptyList();
 192     }
 193
 194     @NonNull
 195     protected List<Uuid> getPortIdsFromSubnetId(Uuid subnetId) {
 196         InstanceIdentifier<Subnetmap> subnetMapId = InstanceIdentifier
 197                 .builder(Subnetmaps.class)
 198                 .child(Subnetmap.class, new SubnetmapKey(subnetId)).build();
 199         Optional<Subnetmap> optionalSubnetmap = MDSALUtil.read(LogicalDatastoreType.CONFIGURATION,
 200                 subnetMapId,dataBroker);
 201         return (optionalSubnetmap.isPresent() && optionalSubnetmap.get().getPortList() != null)
 202             ? optionalSubnetmap.get().getPortList() : emptyList();
 203     }
 204
 205     public void handleNeutronPortQosAdd(Port port, Uuid qosUuid) {
 206         LOG.debug("Handling Port add and QoS associated: port: {} qos: {}", port.getUuid().getValue(),
 207                 qosUuid.getValue());
 208
 209         QosPolicy qosPolicy = qosPolicyMap.get(qosUuid);
 210
 211         jobCoordinator.enqueueJob("QosPort-" + port.getUuid().getValue(),
 212             () -> Collections.singletonList(txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION, tx -> {
 213                 // handle Bandwidth Limit Rules update
 214                 if (qosPolicy != null && qosPolicy.getBandwidthLimitRules() != null
 215                         && !qosPolicy.getBandwidthLimitRules().isEmpty()) {
 216                     setPortBandwidthLimits(port, qosPolicy.getBandwidthLimitRules().get(0), tx);
 217                 }
 218                 // handle DSCP Mark Rules update
 219                 if (qosPolicy != null && qosPolicy.getDscpmarkingRules() != null
 220                         && !qosPolicy.getDscpmarkingRules().isEmpty()) {
 221                     setPortDscpMarking(port, qosPolicy.getDscpmarkingRules().get(0));
 222                 }
 223             })));
 224     }
 225
 226     public void handleQosInterfaceAdd(Port port, Uuid qosUuid) {
 227         LOG.debug("Handling Port add and QoS associated: port: {} qos: {}", port.getUuid().getValue(),
 228                 qosUuid.getValue());
 229
 230         QosPolicy qosPolicy = qosPolicyMap.get(qosUuid);
 231
 232         jobCoordinator.enqueueJob("QosPort-" + port.getUuid().getValue(), () -> {
 233             // handle DSCP Mark Rules update
 234             if (qosPolicy != null && qosPolicy.getDscpmarkingRules() != null
 235                     && !qosPolicy.getDscpmarkingRules().isEmpty()) {
 236                 setPortDscpMarking(port, qosPolicy.getDscpmarkingRules().get(0));
 237             }
 238             return emptyList();
 239         });
 240     }
 241
 242     public void handleNeutronPortQosUpdate(Port port, Uuid qosUuidNew, Uuid qosUuidOld) {
 243         LOG.debug("Handling Port QoS update: port: {} qosservice: {}", port.getUuid().getValue(),
 244                 qosUuidNew.getValue());
 245
 246         QosPolicy qosPolicyNew = qosPolicyMap.get(qosUuidNew);
 247         QosPolicy qosPolicyOld = qosPolicyMap.get(qosUuidOld);
 248
 249         jobCoordinator.enqueueJob("QosPort-" + port.getUuid().getValue(),
 250             () -> Collections.singletonList(txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION, tx -> {
 251                 // handle Bandwidth Limit Rules update
 252                 if (qosPolicyNew != null && qosPolicyNew.getBandwidthLimitRules() != null
 253                         && !qosPolicyNew.getBandwidthLimitRules().isEmpty()) {
 254                     setPortBandwidthLimits(port, qosPolicyNew.getBandwidthLimitRules().get(0), tx);
 255                 } else {
 256                     if (qosPolicyOld != null && qosPolicyOld.getBandwidthLimitRules() != null
 257                             && !qosPolicyOld.getBandwidthLimitRules().isEmpty()) {
 258                         BandwidthLimitRulesBuilder bwLimitBuilder = new BandwidthLimitRulesBuilder();
 259                         setPortBandwidthLimits(port, bwLimitBuilder
 260                                 .setMaxBurstKbps(BigInteger.ZERO)
 261                                 .setMaxKbps(BigInteger.ZERO).build(), tx);
 262                     }
 263                 }
 264                 //handle DSCP Mark Rules update
 265                 if (qosPolicyNew != null && qosPolicyNew.getDscpmarkingRules() != null
 266                         && !qosPolicyNew.getDscpmarkingRules().isEmpty()) {
 267                     setPortDscpMarking(port, qosPolicyNew.getDscpmarkingRules().get(0));
 268                 } else {
 269                     if (qosPolicyOld != null && qosPolicyOld.getDscpmarkingRules() != null
 270                             && !qosPolicyOld.getDscpmarkingRules().isEmpty()) {
 271                         unsetPortDscpMark(port);
 272                     }
 273                 }
 274             })));
 275     }
 276
 277     public void handleNeutronPortQosRemove(Port port, Uuid qosUuid) {
 278         LOG.debug("Handling Port QoS removal: port: {} qosservice: {}", port.getUuid().getValue(), qosUuid.getValue());
 279
 280         // check for network qosservice to apply
 281         Network network =  neutronVpnManager.getNeutronNetwork(port.getNetworkId());
 282         if (network != null && network.augmentation(QosNetworkExtension.class) != null) {
 283             Uuid networkQosUuid = network.augmentation(QosNetworkExtension.class).getQosPolicyId();
 284             if (networkQosUuid != null) {
 285                 handleNeutronPortQosUpdate(port, networkQosUuid, qosUuid);
 286             }
 287         } else {
 288             QosPolicy qosPolicy = qosPolicyMap.get(qosUuid);
 289
 290             jobCoordinator.enqueueJob("QosPort-" + port.getUuid().getValue(),
 291                 () -> Collections.singletonList(txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION, tx -> {
 292                     // handle Bandwidth Limit Rules removal
 293                     if (qosPolicy != null && qosPolicy.getBandwidthLimitRules() != null
 294                             && !qosPolicy.getBandwidthLimitRules().isEmpty()) {
 295                         BandwidthLimitRulesBuilder bwLimitBuilder = new BandwidthLimitRulesBuilder();
 296                         setPortBandwidthLimits(port, bwLimitBuilder
 297                                 .setMaxBurstKbps(BigInteger.ZERO)
 298                                 .setMaxKbps(BigInteger.ZERO).build(), tx);
 299                     }
 300                     // handle DSCP MArk Rules removal
 301                     if (qosPolicy != null && qosPolicy.getDscpmarkingRules() != null
 302                             && !qosPolicy.getDscpmarkingRules().isEmpty()) {
 303                         unsetPortDscpMark(port);
 304                     }
 305                 })));
 306         }
 307     }
 308
 309     public void handleNeutronPortRemove(Port port, Uuid qosUuid) {
 310         LOG.debug("Handling Port removal and Qos associated: port: {} qos: {}", port.getUuid().getValue(),
 311                 qosUuid.getValue());
 312         QosPolicy qosPolicy = qosPolicyMap.get(qosUuid);
 313
 314         jobCoordinator.enqueueJob("QosPort-" + port.getUuid().getValue(), () -> {
 315             //check if any DSCP rule in the policy
 316             if (qosPolicy != null && qosPolicy.getDscpmarkingRules() != null
 317                     && !qosPolicy.getDscpmarkingRules().isEmpty()) {
 318                 unsetPortDscpMark(port);
 319             }
 320             return emptyList();
 321         });
 322     }
 323
 324     public void handleNeutronPortRemove(Port port, Uuid qosUuid, Interface intrf) {
 325         LOG.debug("Handling Port removal and Qos associated: port: {} qos: {}", port.getUuid().getValue(),
 326                 qosUuid.getValue());
 327         QosPolicy qosPolicy = qosPolicyMap.get(qosUuid);
 328
 329         jobCoordinator.enqueueJob("QosPort-" + port.getUuid().getValue(), () -> {
 330             if (qosPolicy != null && qosPolicy.getDscpmarkingRules() != null
 331                     && !qosPolicy.getDscpmarkingRules().isEmpty()) {
 332                 unsetPortDscpMark(port, intrf);
 333             }
 334             return emptyList();
 335         });
 336     }
 337
 338
 339     public void handleNeutronNetworkQosUpdate(Network network, Uuid qosUuid) {
 340         LOG.debug("Handling Network QoS update: net: {} qosservice: {}", network.getUuid().getValue(), qosUuid);
 341         QosPolicy qosPolicy = qosPolicyMap.get(qosUuid);
 342         if (qosPolicy == null || (qosPolicy.getBandwidthLimitRules() == null
 343                 || qosPolicy.getBandwidthLimitRules().isEmpty())
 344                 && (qosPolicy.getDscpmarkingRules() == null
 345                 || qosPolicy.getDscpmarkingRules().isEmpty())) {
 346             return;
 347         }
 348         List<Uuid> subnetIds = getSubnetIdsFromNetworkId(network.getUuid());
 349         for (Uuid subnetId : subnetIds) {
 350             List<Uuid> portIds = getPortIdsFromSubnetId(subnetId);
 351             for (Uuid portId : portIds) {
 352                 Port port = getNeutronPort(portId);
 353                 if (port != null && (port.augmentation(QosPortExtension.class) == null
 354                         || port.augmentation(QosPortExtension.class).getQosPolicyId() == null)) {
 355                     jobCoordinator.enqueueJob("QosPort-" + portId.getValue(),
 356                         () -> Collections.singletonList(txRunner.callWithNewWriteOnlyTransactionAndSubmit(
 357                             CONFIGURATION, tx -> {
 358                                 if (qosPolicy.getBandwidthLimitRules() != null
 359                                         && !qosPolicy.getBandwidthLimitRules().isEmpty()) {
 360                                     setPortBandwidthLimits(port, qosPolicy.getBandwidthLimitRules().get(0), tx);
 361                                 }
 362                                 if (qosPolicy.getDscpmarkingRules() != null
 363                                         && !qosPolicy.getDscpmarkingRules().isEmpty()) {
 364                                     setPortDscpMarking(port, qosPolicy.getDscpmarkingRules().get(0));
 365                                 }
 366                             })));
 367                 }
 368             }
 369         }
 370     }
 371
 372     public void handleNeutronNetworkQosRemove(Network network, Uuid qosUuid) {
 373         LOG.debug("Handling Network QoS removal: net: {} qosservice: {}", network.getUuid().getValue(),
 374                 qosUuid.getValue());
 375         QosPolicy qosPolicy = qosPolicyMap.get(qosUuid);
 376
 377         List<Uuid> subnetIds = getSubnetIdsFromNetworkId(network.getUuid());
 378         for (Uuid subnetId : subnetIds) {
 379             List<Uuid> portIds = getPortIdsFromSubnetId(subnetId);
 380             for (Uuid portId : portIds) {
 381                 Port port = getNeutronPort(portId);
 382                 if (port != null && (port.augmentation(QosPortExtension.class) == null
 383                         || port.augmentation(QosPortExtension.class).getQosPolicyId() == null)) {
 384                     jobCoordinator.enqueueJob("QosPort-" + portId.getValue(),
 385                         () -> Collections.singletonList(txRunner.callWithNewWriteOnlyTransactionAndSubmit(
 386                             CONFIGURATION, tx -> {
 387                                 if (qosPolicy != null && qosPolicy.getBandwidthLimitRules() != null
 388                                         && !qosPolicy.getBandwidthLimitRules().isEmpty()) {
 389                                     BandwidthLimitRulesBuilder bwLimitBuilder = new BandwidthLimitRulesBuilder();
 390                                     setPortBandwidthLimits(port, bwLimitBuilder
 391                                             .setMaxBurstKbps(BigInteger.ZERO)
 392                                             .setMaxKbps(BigInteger.ZERO).build(), tx);
 393                                 }
 394                                 if (qosPolicy != null && qosPolicy.getDscpmarkingRules() != null
 395                                         && !qosPolicy.getDscpmarkingRules().isEmpty()) {
 396                                     unsetPortDscpMark(port);
 397                                 }
 398                             })));
 399                 }
 400             }
 401         }
 402     }
 403
 404     public void handleNeutronNetworkQosBwRuleRemove(Network network, BandwidthLimitRules zeroBwLimitRule) {
 405         LOG.debug("Handling Qos Bandwidth Rule Remove, net: {}", network.getUuid().getValue());
 406
 407         List<Uuid> subnetIds = getSubnetIdsFromNetworkId(network.getUuid());
 408
 409         for (Uuid subnetId: subnetIds) {
 410             List<Uuid> portIds = getPortIdsFromSubnetId(subnetId);
 411             for (Uuid portId : portIds) {
 412                 Port port = getNeutronPort(portId);
 413                 if (port != null && (port.augmentation(QosPortExtension.class) == null
 414                         || port.augmentation(QosPortExtension.class).getQosPolicyId() == null)) {
 415                     jobCoordinator.enqueueJob("QosPort-" + portId.getValue(), () -> Collections.singletonList(
 416                             txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION,
 417                                 tx -> setPortBandwidthLimits(port, zeroBwLimitRule, tx))));
 418                 }
 419             }
 420         }
 421     }
 422
 423     public void handleNeutronNetworkQosDscpRuleRemove(Network network) {
 424         LOG.debug("Handling Qos Dscp Rule Remove, net: {}", network.getUuid().getValue());
 425
 426         List<Uuid> subnetIds = getSubnetIdsFromNetworkId(network.getUuid());
 427
 428         for (Uuid subnetId: subnetIds) {
 429             List<Uuid> portIds = getPortIdsFromSubnetId(subnetId);
 430             for (Uuid portId : portIds) {
 431                 Port port = getNeutronPort(portId);
 432                 if (port != null && (port.augmentation(QosPortExtension.class) == null
 433                         || port.augmentation(QosPortExtension.class).getQosPolicyId() == null)) {
 434                     jobCoordinator.enqueueJob("QosPort-" + portId.getValue(), () -> {
 435                         unsetPortDscpMark(port);
 436                         return emptyList();
 437                     });
 438                 }
 439             }
 440         }
 441     }
 442
 443     // TODO Clean up the exception handling
 444     @SuppressWarnings("checkstyle:IllegalCatch")
 445     public void setPortBandwidthLimits(Port port, BandwidthLimitRules bwLimit,
 446                                        TypedWriteTransaction<Datastore.Configuration> writeConfigTxn) {
 447         if (!qosEosHandler.isQosClusterOwner()) {
 448             LOG.debug("Not Qos Cluster Owner. Ignoring setting bandwidth limits");
 449             return;
 450         }
 451         BigInteger dpId = getDpnForInterface(port.getUuid().getValue());
 452         if (dpId.equals(BigInteger.ZERO)) {
 453             LOG.info("DPN ID for interface {} not found", port.getUuid().getValue());
 454             return;
 455         }
 456
 457         LOG.trace("Setting bandwidth limits {} on Port {}", port.getUuid().getValue(), bwLimit);
 458         OvsdbBridgeRef bridgeRefEntry = getBridgeRefEntryFromOperDS(dpId);
 459         Optional<Node> bridgeNode = MDSALUtil.read(LogicalDatastoreType.OPERATIONAL,
 460                 bridgeRefEntry.getValue().firstIdentifierOf(Node.class), dataBroker);
 461         if (!bridgeNode.isPresent()) {
 462             LOG.error("bridge not found for dpn {} port {} in operational datastore", dpId, port.getUuid().getValue());
 463             return;
 464         }
 465         LOG.debug("bridgeNode {}", bridgeNode.get().getNodeId().getValue());
 466
 467         TerminationPoint tp = SouthboundUtils.getTerminationPointByExternalId(bridgeNode.get(),
 468                 port.getUuid().getValue());
 469         if (tp == null) {
 470             LOG.debug("Skipping setting of bandwidth limit rules for subport {}",
 471                     port.getUuid().getValue());
 472             return;
 473         }
 474         LOG.debug("tp: {}", tp.getTpId().getValue());
 475         OvsdbTerminationPointAugmentation ovsdbTp = tp.augmentation(OvsdbTerminationPointAugmentation.class);
 476
 477         OvsdbTerminationPointAugmentationBuilder tpAugmentationBuilder = new OvsdbTerminationPointAugmentationBuilder();
 478         tpAugmentationBuilder.setName(ovsdbTp.getName());
 479         tpAugmentationBuilder.setIngressPolicingRate(bwLimit.getMaxKbps().longValue());
 480         tpAugmentationBuilder.setIngressPolicingBurst(bwLimit.getMaxBurstKbps().longValue());
 481
 482         TerminationPointBuilder tpBuilder = new TerminationPointBuilder();
 483         tpBuilder.withKey(tp.key());
 484         tpBuilder.addAugmentation(OvsdbTerminationPointAugmentation.class, tpAugmentationBuilder.build());
 485         try {
 486             if (writeConfigTxn != null) {
 487                 writeConfigTxn.merge(InstanceIdentifier
 488                         .create(NetworkTopology.class)
 489                         .child(Topology.class, new TopologyKey(SouthboundUtils.OVSDB_TOPOLOGY_ID))
 490                         .child(Node.class, bridgeNode.get().key())
 491                         .child(TerminationPoint.class, new TerminationPointKey(tp.key())), tpBuilder.build(), true);
 492             } else {
 493                 MDSALUtil.syncUpdate(dataBroker, LogicalDatastoreType.CONFIGURATION, InstanceIdentifier
 494                         .create(NetworkTopology.class)
 495                         .child(Topology.class, new TopologyKey(SouthboundUtils.OVSDB_TOPOLOGY_ID))
 496                         .child(Node.class, bridgeNode.get().key())
 497                         .child(TerminationPoint.class, new TerminationPointKey(tp.key())), tpBuilder.build());
 498             }
 499         } catch (Exception e) {
 500             if (LOG.isDebugEnabled()) {
 501                 LOG.debug("Failure while setting BwLimitRule {} to port {} exception ", bwLimit,
 502                         port.getUuid().getValue(), e);
 503             } else {
 504                 LOG.error("Failure while setting BwLimitRule {} to port {}", bwLimit, port.getUuid().getValue());
 505             }
 506         }
 507
 508     }
 509
 510     public void setPortDscpMarking(Port port, DscpmarkingRules dscpMark) {
 511         if (!qosEosHandler.isQosClusterOwner()) {
 512             LOG.trace("Not Qos Cluster Owner. Ignoring setting DSCP marking");
 513             return;
 514         }
 515
 516         BigInteger dpnId = getDpnForInterface(port.getUuid().getValue());
 517         String ifName = port.getUuid().getValue();
 518         Interface ifState = getInterfaceStateFromOperDS(ifName);
 519         Short dscpValue = dscpMark.getDscpMark();
 520
 521         if (dpnId.equals(BigInteger.ZERO)) {
 522             LOG.info("DPN ID for interface {} not found. Cannot set dscp value {} on port {}",
 523                     port.getUuid().getValue(), dscpMark, port.getUuid().getValue());
 524             return;
 525         }
 526         int ipVersions = getIpVersions(port);
 527         //1. OF rules
 528         if (hasIpv4Addr(ipVersions)) {
 529             LOG.trace("setting ipv4 flow for port: {}, dscp: {}", ifName, dscpValue);
 530             addFlow(dpnId, dscpValue, ifName, NwConstants.ETHTYPE_IPV4, ifState);
 531         }
 532         if (hasIpv6Addr(ipVersions)) {
 533             LOG.trace("setting ipv6 flow for port: {}, dscp: {}", ifName, dscpValue);
 534             addFlow(dpnId, dscpValue, ifName, NwConstants.ETHTYPE_IPV6, ifState);
 535         }
 536
 537         if (qosServiceConfiguredPorts.add(port.getUuid())) {
 538             // bind qos service to interface
 539             bindservice(ifName);
 540         }
 541     }
 542
 543     public void unsetPortDscpMark(Port port) {
 544         if (!qosEosHandler.isQosClusterOwner()) {
 545             LOG.debug("Not Qos Cluster Owner. Ignoring unsetting DSCP marking");
 546             return;
 547         }
 548
 549         BigInteger dpnId = getDpnForInterface(port.getUuid().getValue());
 550         String ifName = port.getUuid().getValue();
 551
 552         if (dpnId.equals(BigInteger.ZERO)) {
 553             LOG.debug("DPN ID for port {} not found. Cannot unset dscp value", port.getUuid().getValue());
 554             return;
 555         }
 556         LOG.trace("Removing dscp marking rule from Port {}", port.getUuid().getValue());
 557         Interface intf = getInterfaceStateFromOperDS(ifName);
 558         //unbind service from interface
 559         unbindservice(ifName);
 560         // 1. OF
 561         int ipVersions = getIpVersions(port);
 562         if (hasIpv4Addr(ipVersions)) {
 563             removeFlow(dpnId, ifName, NwConstants.ETHTYPE_IPV4, intf);
 564         }
 565         if (hasIpv6Addr(ipVersions)) {
 566             removeFlow(dpnId, ifName, NwConstants.ETHTYPE_IPV6, intf);
 567         }
 568         qosServiceConfiguredPorts.remove(port.getUuid());
 569     }
 570
 571     public void unsetPortDscpMark(Port port, Interface intrf) {
 572         if (!qosEosHandler.isQosClusterOwner()) {
 573             return;
 574         }
 575         BigInteger dpnId = getDpIdFromInterface(intrf);
 576         String ifName = port.getUuid().getValue();
 577
 578         if (dpnId.equals(BigInteger.ZERO)) {
 579             LOG.error("Unable to retrieve DPN Id for interface {}. Cannot unset dscp value on port", ifName);
 580             return;
 581         }
 582         LOG.trace("Removing dscp marking rule from Port {}", port.getUuid().getValue());
 583         unbindservice(ifName);
 584         int ipVersions = getIpVersions(port);
 585         if (hasIpv4Addr(ipVersions)) {
 586             removeFlow(dpnId, ifName, NwConstants.ETHTYPE_IPV4, intrf);
 587         }
 588         if (hasIpv6Addr(ipVersions)) {
 589             removeFlow(dpnId, ifName, NwConstants.ETHTYPE_IPV6, intrf);
 590         }
 591         qosServiceConfiguredPorts.remove(port.getUuid());
 592     }
 593
 594     private static BigInteger getDpIdFromInterface(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf
 595                                                            .interfaces.rev140508.interfaces.state.Interface ifState) {
 596         String lowerLayerIf = ifState.getLowerLayerIf().get(0);
 597         NodeConnectorId nodeConnectorId = new NodeConnectorId(lowerLayerIf);
 598         return BigInteger.valueOf(MDSALUtil.getDpnIdFromPortName(nodeConnectorId));
 599     }
 600
 601     public BigInteger getDpnForInterface(String ifName) {
 602         BigInteger nodeId = BigInteger.ZERO;
 603         try {
 604             GetDpidFromInterfaceInput
 605                     dpIdInput = new GetDpidFromInterfaceInputBuilder().setIntfName(ifName).build();
 606             Future<RpcResult<GetDpidFromInterfaceOutput>>
 607                     dpIdOutput = odlInterfaceRpcService.getDpidFromInterface(dpIdInput);
 608             RpcResult<GetDpidFromInterfaceOutput> dpIdResult = dpIdOutput.get();
 609             if (dpIdResult.isSuccessful()) {
 610                 nodeId = dpIdResult.getResult().getDpid();
 611             } else {
 612                 LOG.error("Could not retrieve DPN Id for interface {}", ifName);
 613             }
 614         } catch (NullPointerException | InterruptedException | ExecutionException e) {
 615             if (LOG.isDebugEnabled()) {
 616                 LOG.debug("Exception when getting DPN for interface {} exception ", ifName, e);
 617             } else {
 618                 LOG.error("Could not retrieve DPN for interface {}", ifName);
 619             }
 620         }
 621         return nodeId;
 622     }
 623
 624     @Nullable
 625     private BridgeEntry getBridgeEntryFromConfigDS(BigInteger dpnId) {
 626         BridgeEntryKey bridgeEntryKey = new BridgeEntryKey(dpnId);
 627         InstanceIdentifier<BridgeEntry> bridgeEntryInstanceIdentifier = getBridgeEntryIdentifier(bridgeEntryKey);
 628         LOG.debug("Trying to retrieve bridge entry from config for Id: {}", bridgeEntryInstanceIdentifier);
 629         return getBridgeEntryFromConfigDS(bridgeEntryInstanceIdentifier);
 630     }
 631
 632     @Nullable
 633     private BridgeEntry getBridgeEntryFromConfigDS(InstanceIdentifier<BridgeEntry> bridgeEntryInstanceIdentifier) {
 634         return MDSALUtil.read(LogicalDatastoreType.CONFIGURATION, bridgeEntryInstanceIdentifier, dataBroker).orNull();
 635     }
 636
 637     @Nullable
 638     private BridgeRefEntry getBridgeRefEntryFromOperDS(InstanceIdentifier<BridgeRefEntry> dpnBridgeEntryIid) {
 639         return MDSALUtil.read(LogicalDatastoreType.OPERATIONAL, dpnBridgeEntryIid, dataBroker).orNull();
 640     }
 641
 642     @Nullable
 643     private OvsdbBridgeRef getBridgeRefEntryFromOperDS(BigInteger dpId) {
 644         BridgeRefEntryKey bridgeRefEntryKey = new BridgeRefEntryKey(dpId);
 645         InstanceIdentifier<BridgeRefEntry> bridgeRefEntryIid = getBridgeRefEntryIdentifier(bridgeRefEntryKey);
 646         BridgeRefEntry bridgeRefEntry = getBridgeRefEntryFromOperDS(bridgeRefEntryIid);
 647         if (bridgeRefEntry == null) {
 648             // bridge ref entry will be null if the bridge is disconnected from controller.
 649             // In that case, fetch bridge reference from bridge interface entry config DS
 650             BridgeEntry bridgeEntry = getBridgeEntryFromConfigDS(dpId);
 651             if (bridgeEntry == null) {
 652                 return null;
 653             }
 654             return  bridgeEntry.getBridgeReference();
 655         }
 656         return bridgeRefEntry.getBridgeReference();
 657     }
 658
 659     @NonNull
 660     private static InstanceIdentifier<BridgeRefEntry> getBridgeRefEntryIdentifier(BridgeRefEntryKey bridgeRefEntryKey) {
 661         return InstanceIdentifier.builder(BridgeRefInfo.class).child(BridgeRefEntry.class, bridgeRefEntryKey).build();
 662     }
 663
 664     @NonNull
 665     private static InstanceIdentifier<BridgeEntry> getBridgeEntryIdentifier(BridgeEntryKey bridgeEntryKey) {
 666         return InstanceIdentifier.builder(BridgeInterfaceInfo.class).child(BridgeEntry.class, bridgeEntryKey).build();
 667     }
 668
 669     public void removeStaleFlowEntry(Interface intrf, int ethType) {
 670         List<MatchInfo> matches = new ArrayList<>();
 671
 672         BigInteger dpnId = getDpIdFromInterface(intrf);
 673
 674         Integer ifIndex = intrf.getIfIndex();
 675         matches.add(new MatchMetadata(MetaDataUtil.getLportTagMetaData(ifIndex), MetaDataUtil.METADATA_MASK_LPORT_TAG));
 676         FlowEntity flowEntity = MDSALUtil.buildFlowEntity(dpnId, NwConstants.QOS_DSCP_TABLE,
 677                 getQosFlowId(NwConstants.QOS_DSCP_TABLE, dpnId, ifIndex, ethType),
 678                 QosConstants.QOS_DEFAULT_FLOW_PRIORITY, "QoSRemoveFlow", 0, 0, NwConstants.COOKIE_QOS_TABLE,
 679                 matches, null);
 680         mdsalUtils.removeFlow(flowEntity);
 681     }
 682
 683     public void addFlow(BigInteger dpnId, Short dscpValue, String ifName, int ethType, Interface ifState) {
 684         if (ifState == null) {
 685             LOG.debug("Could not find the ifState for interface {}", ifName);
 686             return;
 687         }
 688         Integer ifIndex = ifState.getIfIndex();
 689
 690         List<MatchInfo> matches = new ArrayList<>();
 691         matches.add(new MatchEthernetType(ethType));
 692         matches.add(new MatchMetadata(MetaDataUtil.getLportTagMetaData(ifIndex), MetaDataUtil.METADATA_MASK_LPORT_TAG));
 693
 694         List<ActionInfo> actionsInfos = new ArrayList<>();
 695         actionsInfos.add(new ActionSetFieldDscp(dscpValue));
 696         actionsInfos.add(new ActionNxResubmit(NwConstants.LPORT_DISPATCHER_TABLE));
 697
 698         List<InstructionInfo> instructions = Collections.singletonList(new InstructionApplyActions(actionsInfos));
 699         FlowEntity flowEntity = MDSALUtil.buildFlowEntity(dpnId, NwConstants.QOS_DSCP_TABLE,
 700                 getQosFlowId(NwConstants.QOS_DSCP_TABLE, dpnId, ifIndex, ethType),
 701                 QosConstants.QOS_DEFAULT_FLOW_PRIORITY, "QoSConfigFlow", 0, 0, NwConstants.COOKIE_QOS_TABLE,
 702                 matches, instructions);
 703         mdsalUtils.installFlow(flowEntity);
 704     }
 705
 706     public void removeFlow(BigInteger dpnId, String ifName, int ethType, Interface ifState) {
 707         if (ifState == null) {
 708             LOG.debug("Could not find the ifState for interface {}", ifName);
 709             return;
 710         }
 711         Integer ifIndex = ifState.getIfIndex();
 712
 713         mdsalUtils.removeFlow(dpnId, NwConstants.QOS_DSCP_TABLE,
 714                 new FlowId(getQosFlowId(NwConstants.QOS_DSCP_TABLE, dpnId, ifIndex, ethType)));
 715     }
 716
 717     public org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state
 718             .@Nullable Interface getInterfaceStateFromOperDS(String interfaceName) {
 719         return MDSALUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL,
 720                 createInterfaceStateInstanceIdentifier(interfaceName)).orNull();
 721     }
 722
 723     @NonNull
 724     public static InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang
 725             .ietf.interfaces.rev140508.interfaces.state.Interface> createInterfaceStateInstanceIdentifier(
 726             String interfaceName) {
 727         return InstanceIdentifier
 728                 .builder(InterfacesState.class)
 729                 .child(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang
 730                                 .ietf.interfaces.rev140508.interfaces.state.Interface.class,
 731                         new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang
 732                                 .ietf.interfaces.rev140508.interfaces.state.InterfaceKey(
 733                                 interfaceName))
 734                 .build();
 735     }
 736
 737     public void bindservice(String ifName) {
 738         int priority = QosConstants.QOS_DEFAULT_FLOW_PRIORITY;
 739         int instructionKey = 0;
 740         List<Instruction> instructions = new ArrayList<>();
 741         instructions.add(MDSALUtil.buildAndGetGotoTableInstruction(NwConstants.QOS_DSCP_TABLE, ++instructionKey));
 742         short qosServiceIndex = ServiceIndex.getIndex(NwConstants.QOS_SERVICE_NAME, NwConstants.QOS_SERVICE_INDEX);
 743
 744         BoundServices serviceInfo = getBoundServices(
 745                 String.format("%s.%s", "qos", ifName), qosServiceIndex,
 746                 priority, NwConstants.COOKIE_QOS_TABLE, instructions);
 747         MDSALUtil.syncWrite(dataBroker, LogicalDatastoreType.CONFIGURATION,
 748                 buildServiceId(ifName, qosServiceIndex),
 749                 serviceInfo);
 750     }
 751
 752     public void unbindservice(String ifName) {
 753         MDSALUtil.syncDelete(dataBroker, LogicalDatastoreType.CONFIGURATION, buildServiceId(ifName,
 754                 ServiceIndex.getIndex(NwConstants.QOS_SERVICE_NAME, NwConstants.QOS_SERVICE_INDEX)));
 755     }
 756
 757     private static InstanceIdentifier<BoundServices> buildServiceId(String interfaceName, short qosServiceIndex) {
 758         return InstanceIdentifier.builder(ServiceBindings.class)
 759                 .child(ServicesInfo.class, new ServicesInfoKey(interfaceName, ServiceModeIngress.class))
 760                 .child(BoundServices.class, new BoundServicesKey(qosServiceIndex)).build();
 761     }
 762
 763     private static BoundServices getBoundServices(String serviceName, short qosServiceIndex, int priority,
 764                                                   BigInteger cookieQosTable, List<Instruction> instructions) {
 765         StypeOpenflowBuilder augBuilder = new StypeOpenflowBuilder().setFlowCookie(cookieQosTable)
 766                 .setFlowPriority(priority).setInstruction(instructions);
 767         return new BoundServicesBuilder().withKey(new BoundServicesKey(qosServiceIndex)).setServiceName(serviceName)
 768                 .setServicePriority(qosServiceIndex).setServiceType(ServiceTypeFlowBased.class)
 769                 .addAugmentation(StypeOpenflow.class, augBuilder.build()).build();
 770     }
 771
 772     @NonNull
 773     public static String getQosFlowId(short tableId, BigInteger dpId, int lportTag, int ethType) {
 774         return new StringBuilder().append(tableId).append(NwConstants.FLOWID_SEPARATOR).append(dpId)
 775                 .append(NwConstants.FLOWID_SEPARATOR).append(lportTag)
 776                 .append(NwConstants.FLOWID_SEPARATOR).append(ethType).toString();
 777     }
 778
 779     public boolean portHasQosPolicy(Port port) {
 780         LOG.trace("checking qos policy for port: {}", port.getUuid().getValue());
 781
 782         boolean isQosPolicy = port.augmentation(QosPortExtension.class) != null
 783                 && port.augmentation(QosPortExtension.class).getQosPolicyId() != null;
 784
 785         LOG.trace("portHasQosPolicy for  port: {} return value {}", port.getUuid().getValue(), isQosPolicy);
 786         return isQosPolicy;
 787     }
 788
 789     @Nullable
 790     public QosPolicy getQosPolicy(Port port) {
 791         Uuid qosUuid = null;
 792         QosPolicy qosPolicy = null;
 793
 794         if (port.augmentation(QosPortExtension.class) != null) {
 795             qosUuid = port.augmentation(QosPortExtension.class).getQosPolicyId();
 796         } else {
 797             Network network = neutronVpnManager.getNeutronNetwork(port.getNetworkId());
 798
 799             if (network.augmentation(QosNetworkExtension.class) != null) {
 800                 qosUuid = network.augmentation(QosNetworkExtension.class).getQosPolicyId();
 801             }
 802         }
 803
 804         if (qosUuid != null) {
 805             qosPolicy = qosPolicyMap.get(qosUuid);
 806         }
 807
 808         return qosPolicy;
 809     }
 810
 811     public boolean hasDscpMarkingRule(QosPolicy qosPolicy) {
 812         if (qosPolicy != null) {
 813             return qosPolicy.getDscpmarkingRules() != null && !qosPolicy.getDscpmarkingRules().isEmpty();
 814         }
 815         return false;
 816     }
 817
 818     public void addToPortCache(Port port) {
 819         neutronPortMap.put(port.getUuid(), port);
 820     }
 821
 822     public void removeFromPortCache(Port port) {
 823         neutronPortMap.remove(port.getUuid());
 824     }
 825
 826     public Port getNeutronPort(Uuid portUuid) {
 827         return neutronPortMap.get(portUuid);
 828     }
 829
 830     public Port getNeutronPort(String portName) {
 831         return getNeutronPort(new Uuid(portName));
 832     }
 833
 834     public void addToNetworkCache(Network network) {
 835         neutronNetworkMap.put(network.getUuid(), network);
 836     }
 837
 838     public void removeFromNetworkCache(Network network) {
 839         neutronNetworkMap.remove(network.getUuid());
 840     }
 841
 842     public Network getNeutronNetwork(Uuid networkUuid) {
 843         return neutronNetworkMap.get(networkUuid);
 844     }
 845
 846     @Nullable
 847     public static BigInteger getDpnIdFromLowerLayerIf(String lowerLayerIf) {
 848         try {
 849             return new BigInteger(lowerLayerIf.substring(lowerLayerIf.indexOf(":") + 1, lowerLayerIf.lastIndexOf(":")));
 850         } catch (NullPointerException e) {
 851             return null;
 852         }
 853     }
 854
 855     @Nullable
 856     public static String getPortNumberFromLowerLayerIf(String lowerLayerIf) {
 857         try {
 858             return (lowerLayerIf.substring(lowerLayerIf.lastIndexOf(":") + 1));
 859         } catch (NullPointerException e) {
 860             return null;
 861         }
 862     }
 863
 864     public int getIpVersions(Port port) {
 865         int versions = 0;
 866         for (FixedIps fixedIp: port.getFixedIps()) {
 867             if (fixedIp.getIpAddress().getIpv4Address() != null) {
 868                 versions |= (1 << QosConstants.IPV4_ADDR_MASK_BIT);
 869             } else if (fixedIp.getIpAddress().getIpv6Address() != null) {
 870                 versions |= (1 << QosConstants.IPV6_ADDR_MASK_BIT);
 871             }
 872         }
 873         return versions;
 874     }
 875
 876     public boolean hasIpv4Addr(int versions) {
 877         return (versions & (1 << QosConstants.IPV4_ADDR_MASK_BIT)) != 0;
 878     }
 879
 880     public boolean hasIpv6Addr(int versions) {
 881         return (versions & (1 << QosConstants.IPV6_ADDR_MASK_BIT)) != 0;
 882     }
 883 }